it came back
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This is a discussion on it came back within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i got a p0304 code and changed the spark plugs, then after a month or so it came back. do ...

  1. #1
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    it came back

    i got a p0304 code and changed the spark plugs, then after a month or so it came back. do i change the coilover now? and how do you tell which one is the number 4 cylinder?

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  3. #2
    Registered User JUSTINSNUTSWINGER's Avatar
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    Coilover = coilpack you mean ? No... How many miles are on the car ?
    N-swinger

    2000 Escort

    Maintenance schedule and poke in the eyes:
    http://www.clubwrx.net/forums/genera...nce-guide.html

  4. #3
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    yes thats what i meant and it has 72k

  5. #4
    Registered User Sarra's Avatar
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    Front
    Driver - Passenger
    2 - 1
    4 - 3
    Rear

    Switch the coil packs on 4 and 2 and see if your misfire follows the coil pack, or if it stays on cylinder 4.

    If it follows the coil pack, then replace it.

    Also, remember after you unplug the coil packs, the one with the BLACK connector goes in BACK. Black in back (remember that still from my TGV delete adventures).

    If your misfire does not follow your coilpack, and stays in cylinder 4, then you might have a bad fuel injector.

  6. #5
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    cool i will do that this weekend and pray it works. and i hear that changing the fuel injectors is a real big pain caus eyou have to remove the manifold.

  7. #6
    Registered User Sarra's Avatar
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    Quote Originally Posted by smugglin1986 View Post
    cool i will do that this weekend and pray it works. and i hear that changing the fuel injectors is a real big pain caus eyou have to remove the manifold.
    Bigger than huge.

  8. #7
    Moderator T0rque's Avatar
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    I Support ClubWRX
    What spark plugs did you put in the car? What fuel do you run?


    Lead Wrench @ WTF Tuning, LLC

  9. #8
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    i have brank new spark plugs but they are stock but when i put them in the code left for bout a month or so until it came back.

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